Nugo Slim Gluten-Free Crunchy Peanut Butter Chocolate Bars These high-protein, low-carb Nugo Slim Gluten-Free Crunchy Peanut Butter Chocolate Bars ($23 for 12) have five grams of net carbs and you can take them anywhere. Image Source: amazon.com Nugo Slim Gluten-Free Crunchy Peanut Butter Chocolate Bars $23 from amazon.com Buy Now